摘要:
A reaction column (12) to which a raw material mixture (11) containing a mono-lower-alkylamine (AA: raw material I) and an alkylene oxide (AO: raw material II) is supplied, an unreacted raw material distillation column (14) that separates an unreacted raw material (15) from a reaction product (13a) (containing the unreacted raw material (15), a target reaction product (monomer) (17), and a by-product (dimer) (18)), and a flash drum (16) to which a reaction product (13b) (containing the target reaction product (monomer) (17) and the by-product (dimer) (18)) is supplied, the flash drum (16) separating a mono-lower-alkyl monoalkanolamine (monomer, the target reaction product 17) in a gas state, are provided.
摘要:
Disclosed is a positive resist processing liquid composition which is composed of an aqueous solution containing a quaternary ammonium hydroxide represented by the following general formula (I). In the formula, R1 and R3 independently represent a methyl group, and R2 represents an alkyl group having 12-18 carbon atoms.
摘要:
To provide a manufacturing method of a superconducting radio-frequency acceleration cavity used in a charged particle accelerator enabling the manufacturing with few waste amounts of the niobium material at low cost in a short time, the manufacturing method has each of the steps of (a) obtaining an ingot made from a disk-shaped niobium material, (b) slicing and cutting the niobium ingot into a plurality of niobium plates each with a predetermined thickness, by vibrating multiple wires back and forth while spraying fine floating abrasive grains with the niobium ingot supported, (c) removing the floating abrasive grains adhered to the sliced niobium plates, and (d) performing deep draw forming on the niobium plates and thereby obtaining a niobium cell of a desired shape.
摘要:
An electronic apparatus includes a keyboard unit, a first circuit board, and a first electronic component. The keyboard unit includes a plate that includes a front surface and a bottom surface facing each other and a first coupling portion protruding from the bottom surface, and a plurality of keys provided on the front surface side of the plate. The first circuit board is provided to face the bottom surface via the first coupling portion and includes a second coupling portion to be coupled with the first coupling portion and a first front surface as a surface on a side that faces the bottom surface. The first electronic component is mounted on the first front surface of the first circuit board.
摘要:
The present invention provides a high strength bolt that has excellent hydrogen embrittlement resistance. The high strength bolt having excellent hydrogen embrittlement resistance which bolt comprises 0.20 to 0.60% of C, 1.0 to 3.0% of Si, 1.0 to 3.5% of Mn, higher than 0% and not higher than 1.5% of Al, 0.15% or less P, 0.02% or less S, and balance of iron and inevitable impurities, and the structure includes: 1% or more residual austenite; 80% or more in total content of bainitic ferrite and martensite; and 10% or less (may be 0%) in total content of ferrite and pearlite in the proportion of area to the entire structure, and also the mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher and the bolt has tensile strength of 1180 MPa or higher.
摘要:
This invention provides organic biomolecule markers (e.g., proteins) useful for differentiating minimal change nephrotic syndrome (MCNS) from focal segmental glomerulosclerosis (FCS), membranous nephrothropy (MN), and membranoproliferative glomerulonephritis (MPGN). This invention also provides organic biomolecule markers useful for evaluating the therapeutic value of agents for treating kidney disease.
摘要:
A semiconductor memory device, adapted for storing plural bits per cell to be able to accomplish high storage density by a simplified structure, includes a plurality of first gate electrodes extending parallel to one another along one direction and a plurality of second gate electrodes extending in a direction of intersecting the first gate electrodes, in which a diffusion region is provided on each of a plurality of divisions demarcated in a matrix-like pattern by first and second electrodes on a substrate surface. One of the divisions, the four sides of which are defined by two neighboring first gate electrodes and two neighboring second gate electrodes, has four independently accessible bits, and is connected by a contact (CT) with a diffusion region in the division. There are provided a plurality of interconnections connected via contacts to the diffusion regions of other divisions in the plural matrix-like divisions lying on the line of extension of the aforementioned diagonal line. A plurality of the aforementioned interconnections are arranged for extending parallel to one another in the memory cell array in an oblique direction relative to the lattice of the first and second electrodes.
摘要:
A failure diagnostic apparatus for an air-fuel ratio detecting device has an exhaust emission purifying device provided in an exhaust passage; an air-fuel ratio detecting unit for detecting the air-fuel ratio of an exhaust gas from the purifying device; a first determination unit for determining that the air-fuel ratio is estimated to be rich for longer than a first predetermined period of time; a second determination unit for determining that the air-fuel ratio is estimated to be lean for longer than a second predetermined period of time; and a failure diagnosis device for determining that the air-fuel ratio detecting device has failed if a variation in the air-fuel ratio, calculated based on the detected air-fuel ratios until both the first and second determination units make the determinations, is equal to or less than a predetermined value.
摘要:
A position detection device for detecting a position of an object. The detection device includes an irradiation device for irradiating light onto an alignment mark formed on a surface of the object, a probe for detecting near-field light in the vicinity of the alignment mark upon irradiation by the irradiation device and a detector for detecting position information of the object on the basis of the near-field light detected by the probe.
摘要:
A dielectric ceramic composition includes 100 mol % of an oxide of Ba, Ti and Zr, 0.25 to 1.5 mol % of an oxide of Re, Re representing one or more elements selected from the group consisting of Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y, 0.1 to 0.4 mol % of an oxide of Mg, 0.03 to 0.6 mol % of oxides of one or more elements selected from the group consisting of Mn, V and Cr and 0.02 to 0.3 mol % of oxides of one or two elements of Mo and W. The ceramic composition further includes a glass component having SiO2 and x in the oxide of Ba(Ti1−xZrx)O3 ranges from about 0.05 to about 0.26.